this new intelligence has obama administration so concerned harsh warnings came today from the president himself. >> i want to make it absolutely clear to assad and those unhis command world is watching. use of chemical weapons is and would be totally unacceptable. if you make the tragic mistake of using these weapons there will be consequences and you will be held accountable. >>reporter: senior official tells abc news that there are contingent plans for military action if the weapons became a threat. syrian regime today said it wouldn't use chemical weapon under any circumstances but president assad father used them and assad has been mass kering his citizens for nearly 2 straight years. martha, abc news, washington. >> u.s. find it snevl a quandary here. imposes crippling sanction on iran and but they are buying anti-venom to the help soldiers from this snake. it can paralyze the victim in an hour. the snake refs to let go when biting the victim. tenacious. only anti-venom comes from iran but military purchase may violate sanction rules. pentagon investigating after the wall street jo